I want to attach a usercontrol or form to the combobox drop down so that when I click the down arrow the usercontrol or form is shown and not the combobox dropdownlist. My aim is to create a color picker control functionality. ...more >>

I have code that opens a file to a textreader then I load the reader into memory through the System.Text.Encoding.UTF8.GetBytes. Is there a way to open a file directly into memory? ...more >>

Hello, I was wondering whether was a product out there that profiles a .NET application. What I mean by that I want to know how much each line spends in code, etc... I remember there used to be one for VB6 (Numega), but their current version doesn't seem to support this feature. Than...more >>

I've declared o to be a double and c an int. No matter what the value of c, o is never greater than 0 after the following line of code: o = (c / 100); Any ideas why? ...more >>

I would like my user to be able to type in a value or select one from the dropdown of a ComboBox. I've set the DropDownStyle to DropDown so that they can do both within the component. But I can't seem to get the value typed in to replace the original value in the DataSet as it would in a tex...more >>

I have some icons that I used in a VB6 program several years ago and I'd like to use the same icons in a newer C# windows forms app. I haven't been able to find the icons which are common icons for a document imaging applications. Is there a way to extract icons from an frx file? I see a referen...more >>

I'm more than a little bit confused by the last parameter of one of the overloads of this constructor. I'm pretty certain that I need to specify that the parameter is an output and what the source column is, and so I'm constrained to this overload. I just don't know what the last parameter i...more >>

I'm attempting some remote registry manipulation via C#. I've written a test app to simply grab a specified key from a specified hive on a specified machine. The call to OpenSubKey is throwing System.SecurityException. Also of note: Sitting at my local box, I can open regedit and connect to t...more >>

Im kind of new to the C# world so please bear with me. I have a form that contains a navagation bar in the bar is a listing of clients. I also have a usercontrol that has a bunch of textboxes that will fill the data on a client. My problem that Im having is once the user clicks on a clients n...more >>

Hi, When I am trying merge all my dlls, at the end (in log file), I am getting following error: ILMerge: Writing target assembly 'communicationsall.dll'. An exception occurred during merging: Specified cast is not valid. Please help me resolve this error. Thanks in advance. Chary ...more >>

http://blogs.zdnet.com/BTL/index.php?cat=2 5/23/2005 Grasshopper hops code from Visual Studio .Net to Linux–for free Mainsoft launched a free Visual Studio .Net plug-in called Grasshopper and a developer community forum for creating Web applications and Web services that run on Linux,...more >>

Hello, I am beginning to write a custom combobox control. Right now it doesn't do anything special. I created a class that extends ComboBox: public class TimeSelector : System.Windows.Forms.ComboBox and in its constructor I call Populate: public TimeSelector() { try ...more >>

Hi, I have the lKey object that can be used to enable different operation systems such Windows 2000 Linux FreeBSD etc. Now I want to read a database table that contains key/values and if the key is "OSTypes", I like to set the appropraite OS (more than one OS can be set). lKey.Ena...more >>

C# Datagrid Newbie: Hello, I am trying to get the value the user selected from a Datagrid. Here’s what I got: Update_SKU_Status = DataGrid_Update_SKU_Status.SelectedIndex.ToString(); It returns the index. Which is not very user friendly. I have tried: Update_SKU_Status = DataGrid_U...more >>

Can someone look at this and tell me why, when I call this from my main app, it displays fine (fades form in and out) but then before my main app displays, I see other dialog boxes flash monentarily on the screen and this delays the main app display? Here is the fade which I compile to a dl...more >>

I've created a C# class to access the Active Directory. I want to use this code in several different web applications. Do I have to create a dll for that code or can I import the code directly using something like ASP include statement? <!--#include virtual="/blahblah/ad_functions.inc"--> ...more >>

I use serialization to write class data to a file. During my development of this class I need to add properties or fields on occation. After adding a property, when deserializing the data saved to disk I get an exception error indicating that the class data members no longer match. To avo...more >>

Hi, I have attached tooltips to some buttons on my toolbar, but the tooltips at some times are showing up behind the form. When I hover over the button on the far right of my toolbar, I can see the tooltip popping out from under the form. On the other buttons they aren't visible. This pr...more >>

how can i call an oracle function? given a project_no, i need to call the function: ops$sqltime.pa_new_job_no_fn which will return the next job_no thanks in advance. ...more >>

I need to read a text file but I need to start on line 2 of the file, How can I start reading the text file starting with the second line and not the first line in the file? ...more >>

I'm using VS 2003 my project uses COM interop and the Tao Framework. I have a custom control derived from UserControl. It implements many functions similar to the Tao's SimpleOpenGLControl, for example I also have a MakeCurrent() method. Inside of the overriden method for CreateParams() I ...more >>

Assuming a windows domain, and a windows file server, what are the performance implications of placing a data driven .exe Winforms application on a network share, and having multiple users use the .exe? Assume that the application uses no outside resources other than a SQL Server database, an...more >>

Hi, all: I've seen numerous questions and answers about this topic on the web, but none of them quite fit to my case. My application is a business process model (like approval process) using ASP.NET. Each transaction, I store related data in the database as a blob. When I retreive the da...more >>

I need some code that gets the address from a server. I read somewhere that you could do this by starting some broadcast server using UDP. The client should send an broadcast message, and when the server answering the client gets the address. But how do I implement this? I did this simple quic...more >>

Hello all, just checking which method is faster string A; A = ""; if (A == string.Empty) { MessageBox.Show("a is empty"); } else { MessageBox.Show("a is not empty"); } //or is this quicker if (A.Equals("")) { MessageBox.Show("a is empty"); ...more >>

Hi, For info I am using VS 2005 beta 2 I have a Console App and I want it to do the equivalent of a Change Directory (CD) command that you would do in normal command line mode as follows: >CD ToASubDir I am using the System.IO.Directory namespace to query where I am and look for av...more >>

how can i call an oracle function to get data without using a select statement or stored procedures? given a project_no, i need to call the function: ops$sqltime.pa_new_job_no_fn which will return the next job_no thanks in advance....more >>

I am trying to create a generic Command object (following the Command design pattern) that allows me to specify a generic type, an object to operate on, and most importantly, a public Property on that object for getting and setting the value in question. Currently the only approach I've fou...more >>

I have a Bitmap Object and I need to return it as array of bytes is it possible...more >>

Dear reader, In my code I get the following error: AddComment.cs(32): The best overloaded method match for 'WebLogger.Message.SelectMessage(string, out string, out string)' has some invalid arguments This is the code: class Message { ... public int SelectMessage(string pID, ...more >>

Hi I have a Windows GroupBox (m_groupBox) on a form which acts as a filter and contains 26 filter radiobuttons (m_radioButtonA through m_radioButtonZ). How can I check in code which radiobutton has been selected? There does not seem to be a property in the groupBox for this. Thanks ...more >>

Im just curious as to why the following applies to conversions of Double/Float to integers (taken from MS docs): "When you convert from a double or float value to an integral type, the value is rounded towards zero to the nearest integral value" Doesn't this produce inaccurate values, i.e. 2...more >>

hello, doesn anyone know how to deploy message queues? I've got a program which uses message queues and i wish to deploy it, one click deployment in vs2005 doesn't allow me to specify message queues and a setup project doesn't allow me to specify message queues. Any help appreciated thank...more >>

I am having a problem displaying Unicode characters on my Forms labels and buttons. After coding Button1.Text = unicode; where the unicode is a Unicode character or string (‘\u1234’ or “\u1234”) It seems to work the first time I set the button to the Unicode character. After a while, w...more >>

Hi Y'all, There is a new community for C# developers@ http://groups.msn.com/IndiaCSharpDevelopersGroup This is a forum for C# Developers and those who wish to become C# Developers. Just about any topic is allowed, as long as it's in C#. Think Sharp. C#. Note: I didn't mean to advertise ...more >>

Guys. I need to set the file permissions of a folder on a remote fileserver for a user I have just created using the web app I am writing. I have the users account name and SID, the name of the file server and the physical path to the parent folder. This is what I have so far.. but cant get...more >>

In my locale (US-english/DK i think, dunno how to state it properly :), ..NET-1.1-sp1 I observe the following: "A".CompareTo("B") == -1; // A < B "B".CompareTo("F") == -1; // B < F "A".CompareTo("F") == -1; // A < F Seems like lexicographic order, and also: "...more >>

I don't know how to use "ILMerge", Can you help me? TIA Antonio Palermo Excuse me for my bad English, I'm italian...more >>

Hi I have a simple socket program which needs to connect and send an xml stream through sockets. private int nCommPort = 4555; private string HostName = "localhost"; private Socket TcpSocket; private XmlDocument objXmlDocument; IPAddress HostIP = Dns.Resolve(HostName).AddressLis...more >>

Hi all How can I highlight a row in a listview? ...more >>

Hello NewsGroup, More curiosity than actuality for now anyway, just wanted to ask if it's possible to extend C# by creating custom made key words and statements? If it is possible, what would I have to consider if I wanted to build a customised object for loop? Being the foreach loop in 're...more >>

Hi, I would need the equivalent in C#, suggestion? HRESULT LoadWebBrowserFromStream(IWebBrowser* pWebBrowser, IStream* pStream) { HRESULT hr; IDispatch* pHtmlDoc = NULL; IPersistStreamInit* pPersistStreamInit = NULL; // Retrieve the document object. hr = pWebBrowser->get_Docume...more >>

Hi, I need to be able to Enumerate through Printer Drivers, ports, printers and so fourth. And even add printers, ports, and drivers and setup printers. Sofar i can do all of the following except anything to do with drivers. I have added a reference to the PRNADMIN.DLL from MS Windows 200...more >>

I am trying to make a word wrap type function for a multi line text box field that will be saved to a text file. The word wrap property looks good in the app but when saved to a text file the line goes on and on where there is not a new line character in the text box. Here's kinda what I'm ...more >>

Hi everyone. I tried to convert this line of code last night from vb.net to C# and i had problems. Could anyone tell me you how you would convert this line of code to C#: Private Vector() As Byte = {&H12, &H44, &H16, &HEE, &H88, &H15, &HDD, &H41}Of course the problem is with defining the ...more >>

Hey, How do I create a dynamic web control from a database table... PLEASE help... Thanks...more >>

hi how can i perform a bitwise NOT on a int or long or uint type variable? so that the bits should be inverted in the result. - aamir ...more >>

Any way I can programatically test whether my (c#) code is running in Debug or Release mode ? I want to load a smaller dataset when running in debug, for testing purposes. ...more >>

Is there a way to make a simple compiler that builds cs projects in a solution? thanks in advance, peter...more >>

Hi all, i need to return this line: return objPessoaFisica.datDataNascimento But it's returning d/m/yyyy 00:00 I just need: dd/mm/yyyy How do i do ?...more >>

I have an object which has a base object hierarchy as well as a number of implemented interfaces. Given any one property on that object, how do I find out which base class or interface defines that property? ...more >>

if a user logs in, i want other logged in user with the same credentials to log out. how can i solve this problem? ...more >>

hi, Does anybody know how to access the queries made and stored in MS Access thru C# Code. thanks, bjorn ...more >>

We've had problems with a third party dll that communicates over a network and would like to be able to monitor each function call. We thought of using a 2nd thread which would log an alert if the 1st thread didn't emerge from a dll function call within a certain timeout period What I need to ...more >>

Does anybody know how do i get the various logon and logoff times for winxp in c#? Thanks Arlef ...more >>

Hello everybody, I have one littel question: How fill DataSet values witch return stored procedure? My SP have parameters. Thanks PawelR ...more >>